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131130313401 = 343710104467
BaseRepresentation
bin111101000011111111…
…0011100101010111001
3110112110200211010010010
41322013332130222321
54122023330012101
6140123533412133
712321350162463
oct1720776345271
9415420733103
10131130313401
115068070933a
12214b733a049
13c49a10a029
1464bd659133
1536271d62d6
hex1e87f9cab9

131130313401 has 4 divisors (see below), whose sum is σ = 174840417872. Its totient is φ = 87420208932.

The previous prime is 131130313367. The next prime is 131130313411. The reversal of 131130313401 is 104313031131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 131130313401 - 26 = 131130313337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131130313411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21855052231 + ... + 21855052236.

It is an arithmetic number, because the mean of its divisors is an integer number (43710104468).

Almost surely, 2131130313401 is an apocalyptic number.

It is an amenable number.

131130313401 is a deficient number, since it is larger than the sum of its proper divisors (43710104471).

131130313401 is an equidigital number, since it uses as much as digits as its factorization.

131130313401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43710104470.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 131130313401 its reverse (104313031131), we get a palindrome (235443344532).

The spelling of 131130313401 in words is "one hundred thirty-one billion, one hundred thirty million, three hundred thirteen thousand, four hundred one".

Divisors: 1 3 43710104467 131130313401